I Have 85 Vette Needs Help ,temperature Keeps Climbing At Idle(put 2 195 Thermostates In, New Water Pump ,had Radiator Checked It. Used To Hold Tempature.also Idle High At 1400 Or 1000 ,will Eventually Come Down To 750-800. Hit Gas And Idle Stays High Again. Sometimes It Runs Good On Highway But Seems To Hesitate When You Hit Gas (frustrating) Thanks For Any Help You Can Give.